optics
Class SourcePoint

java.lang.Object
  javax.vecmath.Tuple3d
      javax.vecmath.Point3d
          optics.Position
              optics.SourcePoint

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

LambertianPoint

public class SourcePoint
extends Position

Class to implement point source being a point in 3-D with a specified spectral response in the form of a WaveLengthSpectrum

See Also:

Serialized Form

Field Summary

protected WaveLengthSpectrum

spectrum The Wavelegth spectrum

Fields inherited from class javax.vecmath.Tuple3d

x, y, z

Constructor Summary

SourcePoint()
Default constructor with point at 0,0,0 of unit intensity with Green light

SourcePoint(double x, double y, double z, double brightness)
Constructor to specify position and brightness, which results in a constant spectrum of specified brightness

SourcePoint(double x, double y, double z, WaveLengthSpectrum s)
Constructor to specify position and spectrum

SourcePoint(javax.vecmath.Point2d pt, double z, double brightness)
Constructor with x/y specified by a Point2d in a plane and z by the location of the plane.

SourcePoint(javax.vecmath.Point2d pt, double z, WaveLengthSpectrum s)
Constructor with x/y specified by a Point2d and z by a double.

SourcePoint(Position p)
Constructor to specify position with unity brightness.

SourcePoint(Position p, double brightness)
Constructor to specify position and brightness, which results in a constant spectrum of specified brightness

SourcePoint(Position p, WaveLengthSpectrum s)
Constructor to specify position and Spectrum class

Method Summary

SourcePoint	clone() Method to return a clone of the source Point with the Same spectrum as the current point.
double	getIntensity(Director u, double lambda) Method to get the intensity at specified wavelength in specified direction.
double	getIntensity(double lambda) Method to get the intensity at specified wavelength
WaveLengthSpectrum	getSpectrum() Method to get the spectral function.
void	setSpectrum(WaveLengthSpectrum s) Method set the spectrum
java.lang.String	toString() Standard toString format the location and spectrum as a String

Methods inherited from class optics.Position

add, direction, fromString, fromTokens, getPoint2d, length, length, lengthSquared, lengthSquared, max, min, propagate

Methods inherited from class javax.vecmath.Point3d

distance, distanceL1, distanceLinf, distanceSquared, project

Methods inherited from class javax.vecmath.Tuple3d

absolute, absolute, add, add, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, epsilonEquals, equals, equals, get, get, getX, getY, getZ, hashCode, interpolate, interpolate, interpolate, interpolate, negate, negate, scale, scale, scaleAdd, scaleAdd, scaleAdd, set, set, set, set, setX, setY, setZ, sub, sub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

spectrum

protected WaveLengthSpectrum spectrum

The Wavelegth spectrum

Constructor Detail

SourcePoint

public SourcePoint(double x,
                   double y,
                   double z,
                   WaveLengthSpectrum s)

Constructor to specify position and spectrum

Parameters:

x - the x locations

y - the y location

z - the z location

s - The spectrum

SourcePoint

public SourcePoint(double x,
                   double y,
                   double z,
                   double brightness)

Constructor to specify position and brightness, which results in a constant spectrum of specified brightness

Parameters:

x - the x locations

y - the y location

brightness - the brightness if the ConstantSpectrum

See Also:

ConstantSpectrum

SourcePoint

public SourcePoint(Position p,
                   WaveLengthSpectrum s)

Constructor to specify position and Spectrum class

Parameters:

p - location

s - the spectral response

SourcePoint

public SourcePoint(Position p,
                   double brightness)

Constructor to specify position and brightness, which results in a constant spectrum of specified brightness

Parameters:

p - position of source point

brightness - the brightness

See Also:

ConstantSpectrum

SourcePoint

public SourcePoint(javax.vecmath.Point2d pt,
                   double z,
                   WaveLengthSpectrum s)

Constructor with x/y specified by a Point2d and z by a double.

Parameters:

pt - point in the plane

z - the plane

s - the spectrum

SourcePoint

public SourcePoint(javax.vecmath.Point2d pt,
                   double z,
                   double brightness)

Constructor with x/y specified by a Point2d in a plane and z by the location of the plane.

Parameters:

pt - point is a plane.

z - the plane

brightness - the spectrum

See Also:

ConstantSpectrum

SourcePoint

public SourcePoint(Position p)

Constructor to specify position with unity brightness.

Parameters:

p - the source position.

SourcePoint

public SourcePoint()

Default constructor with point at 0,0,0 of unit intensity with Green light

Method Detail

clone

public SourcePoint clone()

Method to return a clone of the source Point with the Same spectrum as the current point.

Note spectrum is not cloned.

Overrides:

clone in class Position

Returns:

SourcePoint cloned point.

setSpectrum

public void setSpectrum(WaveLengthSpectrum s)

Method set the spectrum

Parameters:

s - the spectrum

getSpectrum

public WaveLengthSpectrum getSpectrum()

Method to get the spectral function.

Returns:

WaveLengthSpectrum the spectrurm.

getIntensity

public double getIntensity(double lambda)

Method to get the intensity at specified wavelength

Parameters:

lambda - the wavelength in microns

Returns:

double itnesity at specified wavelnegth.

getIntensity

public double getIntensity(Director u,
                           double lambda)

Method to get the intensity at specified wavelength in specified direction.

For simple SourcePoint the direction is ignored. This method it overloaded in entending methods where there is an directional dependance.

Parameters:

u - the ray direction

lambda - the wavelength

Returns:

double itnesity at specified wavelnegth

toString

public java.lang.String toString()

Standard toString format the location and spectrum as a String

Overrides:

toString in class javax.vecmath.Tuple3d

Returns:

String formatted string.